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Quick Details

  • Standard or Nonstandard: Standard
  • Structure: Butterfly
  • Pressure: Low Pressure
  • Power: Pneumatic
  • Material: Stainless Steel
  • Temperature of Media: High Temperature
  • Media: Gas, Water, Oil and Liquid (High temperature applications)
  • Port Size: DN100~DN2000
  • Place of Origin: Shanghai, China (Mainland)
  • Model Number: LPB12 series
  • Brand Name: Lapar Valve

Packaging & Delivery

Packaging Details According to customer's requested
Delivery Time 1-10 days


High Temperature Butterfly Valve
1. Small flow resistance, high turnover
2. Temp up to 1100oC
3. Sealing performance up to 1%

High Temperature Butterfly Valve for Dusty Gas  with Pneumatic Actuator

1. Uses the center-line type structure

2. Easy installation, low flow resistance, large circulation

3. Applied to chemical, building materials, power station, glass industry etc


LPB17 LPB17 High Temperature Butterfly Valve for Dusty Gas with Pneumatic Actuator - Lapar Valve



Pneumatic (5~7Bar), Handwheel(option)








Flange, Wafer


A shape

Material of body

316L, 316, 304, 304L, WCB

Material of Disc

316L, 316, 304, 304L, WCB


Dusty gas, Gas


Limited Switch, Locator, Solenoid Valve, Pressure-relief Valve

Design Featurer

  • Body: The body is welded by steel plate for lighter weight .smaller volume,lower cost,and choosing high temperature resistant material can withstand higher
  • temperature.
  • V type packing: The sulfur-free flexible v-graphite packing overcomes the faults of normal packing including zero compensation and large deformation,
  • prolongs the service life, and is able to with stand high temperature.
  • Seat: The seat ring can reduce leakage and ensure the disc close to 0°.
  • Disc: The disc is made of steel plate,and stiffeners in both sides can make it withstand deformation due to wind effectively.
  • Ring: The ring has a location effect,which makes the disc turn in the middle of channel.



  • Valve body is designed to meet IEC60534-3-1-2001 and GB/T 12221-2005 API609
  • Valve mounting flange shall be per ISO 5211
  • Flange Standard: JB/T79.1-94,JB/T79.4-94. HG20616-97,ANSI B16.5,ANSI B16.47
  • The highest pressure: 1 .OMPa, Temperature range: -196°C ~1100°C
  • Leak standard: ANSI B16.104

Main Feature

  • Medium can flow through the body directly for little resistance and high flow capacity
  • The body and cover could be made of carbon steel,austenitic stainless steel or special alloy material
  • The sulfur-free flexible v-graphite is heat resisting ,we shall ensure the service life of packing is long-term without maintenance by increasing pre-pressure on spring gasket
  • Center line-type butterfly valve uses metal sealing seat,which surrounds the disc to reduce the leakage effectively 



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